126687630734 has 64 divisors (see below), whose sum is σ = 227889801216. Its totient is φ = 51644148864.

The previous prime is 126687630697. The next prime is 126687630763. The reversal of 126687630734 is 437036786621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67493804 + ... + 67495680.

It is an arithmetic number, because the mean of its divisors is an integer number (3560778144).

Almost surely, 2^126687630734 is an apocalyptic number.

126687630734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

126687630734 is a deficient number, since it is larger than the sum of its proper divisors (101202170482).

126687630734 is a wasteful number, since it uses less digits than its factorization.

126687630734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969.

The product of its (nonzero) digits is 6096384, while the sum is 53.

The spelling of 126687630734 in words is "one hundred twenty-six billion, six hundred eighty-seven million, six hundred thirty thousand, seven hundred thirty-four".